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Nerve injury classification assists in prognosis and determination of treatment strategy for nerve injuries. Classification was described by Seddon in 1943 and by Sunderland in 1951. [ 1 ] In the lowest degree of nerve injury the nerve remains intact, but signaling ability is damaged, termed neurapraxia .
When nerve repair cannot be performed without tension, nerve grafting can be used and is considered the most suitable treatment of peripheral nerve injuries, injuries to nerves outside of the brain and spinal cord. Nerve grafts are used to avoid tension at the proximal and distal ends, to reduce the likelihood of postoperative distraction.
Nerve injury is an injury to a nerve.There is no single classification system that can describe all the many variations of nerve injuries. In 1941, Seddon introduced a classification of nerve injuries based on three main types of nerve fiber injury and whether there is continuity of the nerve. [1]
Nerve injury; Fluorescent micrographs (100x) of Wallerian degeneration in cut and crushed peripheral nerves. Left column is proximal to the injury, right is distal. A and B: 37 hours post cut. C and D: 40 hours post crush. E and F: 42 hours post cut. G and H: 44 hours post crush. Specialty: Neurology
Existing treatments aim to suppress the immune system to prevent further damage to nerve cells. A new study has developed a treatment that can help regenerate myelin with the potential to stop and ...
The injured nerve is identified and exposed so that normal nerve tissue can be examined above and below the level of injury, usually with magnification, using either loupes or an operating microscope. If a large segment of nerve is harmed, as can happen in a crush or stretch injury, the nerve will need to be exposed over a larger area.
The entire nerve is involved in the response to traumatic injuries. [5] The outcome of nerve repair is dependent on the degree of the nerve injury and the circumstances at the site of injury. [5] Since neurapraxia is the least serious form of peripheral nerve injury, recovery and treatment are not extensive.
A common cause of damage to the nerve roots is spine lesions, such as prolapse of the nucleus pulposus, spinal tuberculosis, cancer, inflammation, spinal tabs. Root pain syndromes, known colloquially as radiculitis and sciatica, are among the most common symptoms caused by damage to the nerve root. Radiculopathy is commonly called the "root ...